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using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ShiftOS.Frontend.GUI
{
public class TextControl : Control
{
private string _text = "Text Control";
private TextAlign _textAlign = TextAlign.TopLeft;
private Font _font = new Font("Tahoma", 9f);
protected override void OnLayout()
{
if (AutoSize)
{
using (var bmp = new Bitmap(1, 1))
{
using(var gfx = Graphics.FromImage(bmp))
{
var measure = gfx.MeasureString(_text, _font);
Width = (int)measure.Width;
Height = (int)measure.Height;
}
}
}
}
public string Text
{
get { return _text; }
set { _text = value; }
}
public Font Font
{
get
{
return _font;
}
set
{
_font = value;
}
}
public TextAlign TextAlign
{
get { return _textAlign; }
set { _textAlign = value; }
}
public override void Paint(Graphics gfx)
{
var sMeasure = gfx.MeasureString(_text, _font);
PointF loc = new PointF(2, 2);
float centerH = (Width - sMeasure.Width) / 2;
float centerV = (Height - sMeasure.Height) / 2;
switch (_textAlign)
{
case TextAlign.TopCenter:
loc.X = centerH;
break;
case TextAlign.TopRight:
loc.X = Width - sMeasure.Width;
break;
case TextAlign.MiddleLeft:
loc.Y = centerV;
break;
case TextAlign.MiddleCenter:
loc.Y = centerV;
loc.X = centerH;
break;
case TextAlign.MiddleRight:
loc.Y = centerV;
loc.X = (Width - sMeasure.Width);
break;
case TextAlign.BottomLeft:
loc.Y = (Height - sMeasure.Height);
break;
case TextAlign.BottomCenter:
loc.Y = (Height - sMeasure.Height);
loc.X = centerH;
break;
case TextAlign.BottomRight:
loc.Y = (Height - sMeasure.Height);
loc.X = (Width - sMeasure.Width);
break;
}
gfx.DrawString(_text, _font, new SolidBrush(Color.White), new RectangleF(loc.X, loc.Y, sMeasure.Width, sMeasure.Height));
}
}
public enum TextAlign
{
TopLeft,
TopCenter,
TopRight,
MiddleLeft,
MiddleCenter,
MiddleRight,
BottomLeft,
BottomCenter,
BottomRight
}
}
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